﻿/* 1. Write a program that reads 3 integer numbers from the console and prints their sum. */

using System;

public class SumOfThree
{
    public static void Main()
    {
        Console.WriteLine("Enter three integer numbers:");
        Console.WriteLine("Their sum is {0}",
                            (long)(int.Parse(Console.ReadLine())) +
                                int.Parse(Console.ReadLine()) +
                                    int.Parse(Console.ReadLine()));
    }
}